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CCS/DH40 Steel Plate For Shipbuilding

Steel Standard:China Classification Society

Rolling Type:Shipbuilding steel plate,High tension ship plate

Thickness:3mm-300mm

Width:1200mm-4200mm

Length:3000mm-18000mm

Heat Treatment:TMCP/Normalised

CCS/DH40 Steel Plate For Shipbuilding Supplier and Manufacturer

High Strength: DH40 steel offers excellent mechanical strength, enabling it to withstand the harsh marine environment and various loads. This strength is crucial for ensuring the structural integrity and safety of ships.

Good Weldability: The steel plate has good weldability, allowing for efficient fabrication and construction. Welding is a common method in shipbuilding, and a material with good weldability ensures strong and reliable joints.

Corrosion Resistance: Ships are constantly exposed to saltwater and other corrosive elements. The CCS/DH40 steel plate is designed to have a certain degree of corrosion resistance to prolong its service life.

Impact Resistance: Can withstand impact loads, providing safety and durability for ships. Impact resistance is important for ships that may encounter collisions or other dynamic loads.

Thermal Stability: Has good thermal stability, which is important for ships operating in different temperature conditions. It can maintain its mechanical properties and structural integrity even at high or low temperatures.

Specification Parameters
Basic Information

AB/DH40 high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

AB/DH40

0.18

0.1-0.50

0.90-1.6

0.035

0.035

0.015

Nb

V

Ti

Cu

Cr

Ni

Mo

0.02-0.05

0.05-0.10

0.02

0.35

0.2

0.4

0.08

Crack Sensitivity:  Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent:  Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

 

AB/DH40 high strength property

Grade

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

AB/DH40

mm

Min Mpa

Mpa

Min  %

0

J

J

t≤50

390

510-650

20%

26

39

50<t≤70

390

510-650

20%

31

46

70<t≤100

390

510-650

20%

37

55

Note: Energy 1 is transverse impact test, Energy 2 is longitudinal

Equivalent steel grade of AB/DH40

Equivalent steel grade of AB/DH40

DNV

GL

LR

BV

CCS

NK

KR

RINA

NV D40

GL-D40

LR/DH40

BV/DH40

CCS/D40

K D40

R D40

RI/D40

Service Support
CCS/DH40 Steel Plate For Shipbuilding

Technical Requirements & Additional Services for CCS FH36 steel plate:

♦ High tension test
♦ Z-Test (Z15,Z25,Z35)
♦ Low temperature impacting test
♦ Ultrasonic test under ASTM A435,A577,A578
♦ Cetificated by ABS,LR,GL,BV,DNV,KR,NK,CCS,RINA
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands